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pseudoephedrine

American  
[soo-doh-i-fed-rin, -ef-i-dreen, -drin] / ˌsu doʊ ɪˈfɛd rɪn, -ˈɛf ɪˌdrin, -drɪn /

noun

Pharmacology.
  1. a dextrorotatory, isomeric compound, C 1 0 H 1 5 NO, used as a nasal decongestant.


pseudoephedrine British  
/ ˌsjuːdəʊˈɛfɪˌdriːn, -ˌdrɪn /

noun

  1. a drug similar in action to ephedrine, used extensively as a decongestant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pseudoephedrine

pseudo- + ephedrine

Compare meaning

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It works for adults and children without causing the insomnia or nervousness I get from pseudoephedrine.

From Seattle Times Mar. 20, 2024

Ones containing pseudoephedrine are being reviewed because they may cause vessels supplying the brain to contract or spasm, reducing blood flow.

From BBC Feb. 23, 2023

That’s the only place I can think of where pineapple exposure might coincide with cough syrup old enough to still contain pseudoephedrine.

From New York Times Oct. 14, 2021

Be cautious with: Products that contain the decongestants phenylephrine or pseudoephedrine, such as certain OTC multisymptom cold and cough remedies.

From Washington Post Aug. 6, 2021

On April 6, 2005, the pharmacy board adopted the pseudoephedrine rule, which also included requiring picture identification for a buyer and logging each transaction.

From Washington Times Feb. 24, 2018

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